Y1FC - CONSTRUCTION OF TROOP HOUSING FACILITIES
Y1FD - CONSTRUCTION OF DINING FACILITIES
Z1AA - MAINTENANCE OF OFFICE BUILDINGS
Z1AZ - MAINTENANCE OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS
Z1BE - MAINTENANCE OF AIRPORT TERMINALS
Z1CA - MAINTENANCE OF SCHOOLS
Z1CZ - MAINTENANCE OF OTHER EDUCATIONAL BUILDINGS
Z1DA - MAINTENANCE OF HOSPITALS AND INFIRMARIES
Z1DB - MAINTENANCE OF LABORATORIES AND CLINICS
Z1FB - MAINTENANCE OF RECREATIONAL BUILDINGS
Z1FC - MAINTENANCE OF TROOP HOUSING FACILITIES
Z2CA - REPAIR OR ALTERATION OF SCHOOLS
Z2DA - REPAIR OR ALTERATION OF HOSPITALS AND INFIRMARIES
Z2FB - REPAIR OR ALTERATION OF RECREATIONAL BUILDINGS
Z2FC - REPAIR OR ALTERATION OF TROOP HOUSING FACILITIES
Z2FD - REPAIR OR ALTERATION OF DINING FACILITIES